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This section includes 10 Mcqs, each offering curated multiple-choice questions to sharpen your Rocket Propulsion knowledge and support exam preparation. Choose a topic below to get started.
1. |
UDMH stands for _________ |
A. | Unsymmetrical Dimethyl Hydrazine |
B. | Unsaturated Dimethyl Hydrazine |
C. | Unsymmetrical Diethyl Hydrazine |
D. | Unsaturated Diethyl Hydrazine |
Answer» B. Unsaturated Dimethyl Hydrazine | |
2. |
Standard commercial hydrazine has less than ________% aniline. |
A. | 0.5 |
B. | 1.0 |
C. | 0.8 |
D. | 0.6 |
Answer» C. 0.8 | |
3. |
Hydroxylammonium nitrate has a specific impulse of ___________ |
A. | 300-365s |
B. | 10-65s |
C. | 200-265s |
D. | 100-165s |
Answer» E. | |
4. |
Ammonia decomposition into nitrogen and hydrogen gases is an _________ reaction. |
A. | Endothermic |
B. | Exothermic |
C. | Endergonic |
D. | Exergonic |
Answer» B. Exothermic | |
5. |
The catalytic decomposition of hydrazine is an __________ reaction. |
A. | endothermic |
B. | exothermic |
C. | endergonic |
D. | exergonic |
Answer» C. endergonic | |
6. |
In catalytic decomposition of hydrazine, it decomposes into ________ and _______ |
A. | ammonia; nitrogen |
B. | hydrogen; nitrogen |
C. | ammonium; nitrogen |
D. | ammonia; hydrogen |
Answer» B. hydrogen; nitrogen | |
7. |
Iron, nickel and cobalt can decompose hydrazine at ________ temperature. |
A. | 273 K |
B. | 289 K |
C. | 400 K |
D. | 450 K |
Answer» E. | |
8. |
___________ is an excellent catalyst for hydrazine at room temperature. |
A. | Zeolite |
B. | Iridium |
C. | Antimony trioxide |
D. | Cobalt |
Answer» C. Antimony trioxide | |
9. |
___________ is not a method of monopropellant ignition. |
A. | Flame heat |
B. | Electrical |
C. | Catalytic material |
D. | Pulverization |
Answer» E. | |
10. |
Which of the following is a monopropellant? |
A. | H<sub>2</sub> |
B. | Diluted H<sub>2</sub>O<sub>2</sub> |
C. | Hydrazine |
D. | Monomethyl hydrazine |
Answer» D. Monomethyl hydrazine | |